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NEETChemistryp Block Elements (Group 13 & 14)

What is the coordination number in species of heavier elements in a +5 oxidation state?

Options

  1. ATwo-coordination
  2. BThree-coordination
  3. CFour-coordination
  4. DFive-coordination

Correct answer

C. Four-coordination

Step-by-step solution

In a +5 oxidation state, both nitrogen (N) and phosphorus (P) form oxoanions with four-coordination involving s, p, and d orbitals contributing to the π-bond.

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